Factorise the following 4x^2+12x+9
And 25y^2-20y+4
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hope it helps you also you can do it using (a+b)^2 and (a-b)^2 formulas
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sy160170:
Please slove it x^2-11x-42 and 6x^3+7x^2-x-2 and 3x^3-2x^2+x-2
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Answer is shown above. Factorise by splitting the middle term.
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